Combined energy dissipation device with metal rubber damper and anti-buckling support with limit locking function

Abstract

The invention relates to a metal rubber damper and anti-buckling support combined energy dissipating device with limit-locking function; under small loads like wind load, the metal rubber damper can firstly enter a non-linear state and carry out elastoplasticity energy dissipation because the vibromotive force is low; when the structure bears large earthquake effect, the metal rubber damper will have large deformation; in order to prevent fast damages, when the deformation exceeds a set threshold, the damper will be locked by a locking device and limiting device, and is effectively constrained, thus only having small deformations in an assigned scope; the anti-buckling support starts to perform the energy dissipating ability; metal rubber rings are placed between inner and outer sleeves of the anti-buckling energy dissipating support at intervals so as to allow the anti-buckling energy dissipating support have fixed point yield under the large earthquake effect, thus solving the problems that a normal anti-buckling energy dissipating support cannot determine the yield positions, and a constrain unit needs mortar perfusion, thus enlarging self-weight and wasting materials, the processing process is complex, the support end can be easily damaged, and the yield force is high.

Description

technical field [0001] The invention relates to a metal rubber shear damper and anti-buckling support combined energy dissipation device with a limit locking function, which is mainly composed of a metal rubber damper, a locking device and an anti-buckling energy dissipation support. Under the action of earthquake, the metal rubber damper is the first to produce shear deformation and enter the energy dissipation state, while the buckling energy dissipation support is in the elastic state and only provides stable stiffness; under the action of moderate and large earthquakes, when the metal rubber damper deforms When it is large, its displacement stroke will be limited. At this time, the buckling-resistant brace utilizes the effective buckling of the core tube with metal rubber rings to fully dissipate energy, thereby protecting the safety of the main structure and components in earthquakes. The invention belongs to the technical field of wind resistance, earthquake resistance a...

AI Technical Summary

Problems solved by technology

At this time, the anti-buckling support utilizes the effective buckling of the core tube with metal rubber rings to fully dissipate energy. It can support fixed-point yielding under medium and large earthquakes, so as to solve the difficulty of determining the yield position of ordinary anti-buckling energy-dissipating supports, the constraint unit needs to be poured with mortar, which leads to its self-heaviness, complex processing procedures and waste of materials, easy damage at the end of the support, and vibration force. High and lack of low yield point steel in the domestic market

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